Test Index

JAMB Mathematics 2022 Paper

© africaexams.com

Question : 20

Total: 39

What will be the result obtained when the numerator of

\frac{96}{50}

is decreased by 37.5% and its denominator decreased by 20%.

1.5
$\frac{5}{2}$
$\frac{96}{48}$
0.5

Solution:

Concept:

Applying percentage decrease to the numerator and denominator of a fraction to form a new fraction.

Explanation:

First, decrease the numerator

96

by

37.5\%

.

37.5\%

of

96 = 0.375 \times 96 = 36

.

New numerator

= 96 - 36 = 60

.

Next, decrease the denominator

50

by

20\%

.

20\%

of

50 = 0.20 \times 50 = 10

.

New denominator

= 50 - 10 = 40

.

New fraction

= \frac{60}{40} = 1.5

.

Answer:

1.5

(Option A).

© africaexams.com

Go to Question:

Prev Question

Next Question